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authorMichael Niedermayer <michaelni@gmx.at>2006-05-19 08:09:21 +0000
committerMichael Niedermayer <michaelni@gmx.at>2006-05-19 08:09:21 +0000
commitb4aead58cbd408fba0ee11d3d0e70a2e33ed2158 (patch)
treed9dc0d0eb2fc05fdca22922a4078094b4805cff7 /doc/faq.texi
parent7cf0e16f965c0f2c5c9c121ee19822093fad8ab9 (diff)
ipod & psp encoding guide
Originally committed as revision 5407 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'doc/faq.texi')
-rw-r--r--doc/faq.texi26
1 files changed, 26 insertions, 0 deletions
diff --git a/doc/faq.texi b/doc/faq.texi
index 564b4f7a3c..1e82e97d36 100644
--- a/doc/faq.texi
+++ b/doc/faq.texi
@@ -131,6 +131,32 @@ a different fourcc, use the '-vtag' option. E.g., '-vtag xvid' will
force the fourcc 'xvid' to be stored as the video fourcc rather than the
default.
+@section How do I encode Videos which play on the ipod?
+
+@table @option
+@item stuff needed
+-acodec aac -vcodec mpeg4 width<=320 height<=240
+@item stuff working
+4mv, title
+@item stuff not working
+b frames
+@item example command line
+ffmpeg -i input -acodec aac -ab 128 -vcodec mpeg4 -b 1200 -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X output.mp4
+@end table
+
+@section How do I encode Videos which play on the psp?
+
+@table @option
+@item stuff needed
+-acodec aac -vcodec mpeg4 width*height<=76800 width%16=0 height%16=0 -ar 24000 -r 30000/1001 or 15000/1001 -f psp
+@item stuff working
+4mv, title
+@item stuff not working
+b frames
+@item example command line
+ffmpeg -i input -acodec aac -ab 128 -vcodec mpeg4 -b 1200 -ar 24000 -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp output.mp4
+@end table
+
@chapter Development
@section When will the next FFmpeg version be released? / Why are FFmpeg releases so few and far between?